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Hey guys I'm giving my drz a freshen up and was wondering if the pitting shown in the pic is anything to be concerned about 

20170430_123914.jpg

20170430_123900.jpg

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Did your motor overheat or suffer from oil starvation?A local engine machine shop could better tell you how bad it is and what can be done.

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looks like casting defects to me .. i wouldnt like it but probably wouldnt worry too much about it .. but if anything i would worry about that bolt hole, looks fractured around it and weak, be sure not to over-torque that bad boy it might bust off ..

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Casting porosity, that part of the cam journal does not see valve spring loads.

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